Patents 5552651 - 5552906

 

 

Patent 5552651: Alternating current generator
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Windings and core structure : Field or excitation windings or structure : Combined permanent and electromagnet : Transformer operation)

Patent 5552652: Commutator with improved connection between carbon and metal segments
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Current collectors : Rotary structure : Commutators : Disc : Multifrequency)

Patent 5552653: Electric motor with increased T/N characteristic value
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Rotor structure : Interfitting or claw tooth rotors : End turn supports)

Patent 5552654: Electrostatic actuator
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : NON-DYNAMOELECTRIC : Charge accumulating : Electrostatic :)

Patent 5552655: Low frequency mechanical resonator
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : NON-DYNAMOELECTRIC : Piezoelectric elements and devices : With mechanical energy coupling means : Bending type : Detector (e.g., sensor))

Patent 5552656: Self-powered anti-fouling device for watercraft
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : NON-DYNAMOELECTRIC : Piezoelectric elements and devices : With mechanical energy coupling means : Acoustic wave type generator or receiver : Underwater type : Multimorph)

Patent 5552657: Generation of electrical energy by weighted, resilient piezoelectric elements
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : NON-DYNAMOELECTRIC : Piezoelectric elements and devices : With mechanical energy coupling means : Voltage, spark or current generator : Underwater type)

Patent 5552658: Torsional actuator and method of manufacturing same
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : NON-DYNAMOELECTRIC : Piezoelectric elements and devices : Electrode arrangement : More than two : More than one poling direction (e.g., Rosen transformer))

Patent 5552659: Structure and fabrication of gated electron-emitting device having electron optics to reduce electron-beam divergence
(ELECTRIC LAMP AND DISCHARGE DEVICES : DISCHARGE DEVICES HAVING A THERMIONIC OR EMISSIVE CATHODE : Discharge control electrode)

Patent 5552660: Fluorescent display device including a filamentary cathode with increased mechanical strength and reduced end cooling effect
(ELECTRIC LAMP AND DISCHARGE DEVICES : ELECTRODE AND SHIELD STRUCTURES : Filament or resistance heated electrodes : Insulating material between heater and cathode)

Patent 5552661: Electron gun for cathode tube
(ELECTRIC LAMP AND DISCHARGE DEVICES : ELECTRODE AND SHIELD STRUCTURES : Cathodes containing and/or coated with electron emissive material : Coated)

Patent 5552662: Light weight shadow mask and method of manufacturing
(ELECTRIC LAMP AND DISCHARGE DEVICES : CATHODE RAY TUBE : Shadow mask, support or shield : Non-circular aperture : Integral or contiguous storage and display element)

Patent 5552663: Cathode ray tube apparatus
(ELECTRIC LAMP AND DISCHARGE DEVICES : CATHODE RAY TUBE : Screen : Electrode)

Patent 5552664: Fluorescent lamps with imprinted color logos and method of making same
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH LUMINESCENT SOLID OR LIQUID MATERIAL : With gaseous discharge medium : Phosphor on envelope wall : Aperture-type tube : Plural)

Patent 5552665: Electric lamp having an undercoat for increasing the light output of a luminescent layer
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH LUMINESCENT SOLID OR LIQUID MATERIAL : With gaseous discharge medium : Phosphor on envelope wall : With protective coating or filter : Plural)

Patent 5552666: Compact fluorescent lamp
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH LUMINESCENT SOLID OR LIQUID MATERIAL : With gaseous discharge medium : Phosphor on envelope wall : Envelope structure or material : With shield or additional electrode)

Patent 5552667: Apparatus and method for generating photluminescence emission lines from rare-earth-element-doped CAF2 thin films over a SI-based substrate
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH LUMINESCENT SOLID OR LIQUID MATERIAL : Solid-state type : Phosphor on anode segments)

Patent 5552668: Self-waterproofing electroluminescent device
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH LUMINESCENT SOLID OR LIQUID MATERIAL : Solid-state type : Plural layers : Organic phosphor)

Patent 5552669: Deuterium gas discharge tube
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH GAS OR VAPOR : Having electrode shield : Constriction means)

Patent 5552670: Method of making a vacuum-tight seal between a ceramic and a metal part, sealed structure, and discharge lamp having the seal
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH GAS OR VAPOR : Having electrode lead-in or electrode support sealed to envelope : End plug seal : Substantially the full length of discharge path)

Patent 5552671: UV Radiation-absorbing coatings and their use in lamps
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH GAS OR VAPOR : Envelope with particular structure : Envelope layer or coating : Substantially the full length of discharge path)

Patent 5552672: Magnetron construction particularly useful as a relativistic magnetron
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : COMBINED LOAD DEVICE OR LOAD DEVICE TEMPERATURE MODIFYING MEANS AND ELECTRICAL CIRCUIT DEVICE STRUCTURE : Distributed parameter resonator-type magnetron : Traveling wave type with delay-type transmission line)

Patent 5552673: Theft resistant compact fluorescent lighting system
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : COMBINED LOAD DEVICE OR LOAD DEVICE TEMPERATURE MODIFYING MEANS AND ELECTRICAL CIRCUIT DEVICE STRUCTURE : Discharge device load : Discharge device and transformer : Plural inductive impedances)

Patent 5552674: Clocked power supply circuit with auxillary load
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : SPECIAL APPLICATION : Vehicle : Head light systems : Steering mechanism controlled)

Patent 5552675: High temperature reaction apparatus
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : DISCHARGE DEVICE LOAD WITH FLUENT MATERIAL SUPPLY TO THE DISCHARGE SPACE : Plasma generating : Automatic cut-out or voltage regulator in the cathode or heater circuit)

Patent 5552676: Control device for an appliance consuming electric power
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : WITH RADIANT ENERGY SENSITIVE CONTROL MEANS : Load device irradiating the radiant energy responsive device : Discharge control discharge device)

Patent 5552677: Method and control circuit precharging a plurality of columns prior to enabling a row of a display
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : PLURAL POWER SUPPLIES : Plural cathode and/or anode load device : Diverse-type energizing or bias supplies to different electrodes : Simultaneous application to a load device)

Patent 5552678: AC drive scheme for organic led
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : PLURAL POWER SUPPLIES : Plural cathode and/or anode load device : Diverse-type energizing or bias supplies to different electrodes : Electroluminescent device : Discharge control discharge device)

Patent 5552679: Electroluminescent and light reflective panel
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : PLURAL POWER SUPPLIES : Plural cathode and/or anode load device : Diverse-type energizing or bias supplies to different electrodes : Electroluminescent device : Discharge control discharge device)

Patent 5552680: Device for operating a gas-discharge lamp
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : CURRENT AND/OR VOLTAGE REGULATION : Circuit interrupter in the inductance circuit)

Patent 5552681: Apparatus for storing energy generated during breaking of a vehicle and for providing energy to the internal combustion engine of the vehicle
(ELECTRICITY: MOTIVE POWER SYSTEMS : BATTERY-FED MOTOR SYSTEMS : By auxiliary motor)

Patent 5552682: Device for detecting rotational position of brushless motor
(ELECTRICITY: MOTIVE POWER SYSTEMS : SELF-COMMUTATED IMPULSE OR RELUCTANCE MOTORS : Field circuit control)

Patent 5552683: Method of controlling a reversible electric device
(ELECTRICITY: MOTIVE POWER SYSTEMS : MOTOR-REVERSING : Armature or primary circuit control : Movement or position of motor or driven device)

Patent 5552684: Control apparatus for reversible motor and motor-driven power steering system for motor vehicle using the same
(ELECTRICITY: MOTIVE POWER SYSTEMS : MOTOR-REVERSING : Armature or primary circuit control : Armature or primary current reversal : Reversing polarity of current supplied to armature circuit : Automatic stopping means less responsive during acceleration)

Patent 5552685: Apparatus and method for detection and control of circulating currents in a variable speed DC motor
(ELECTRICITY: MOTIVE POWER SYSTEMS : SELF-COMMUTATED IMPULSE OR RELUCTANCE MOTORS : Field circuit control)

Patent 5552686: Series motor, in particular universal motor with brake device
(ELECTRICITY: MOTIVE POWER SYSTEMS : BRAKING : Field circuit control)

Patent 5552687: Emergency robot shutdown circuit
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : With protective or reliability increasing features (e.g., "fail-safe" systems) : Mechanical gearing)

Patent 5552688: Machining program execution method for an NC device
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : Program- or pattern-controlled systems : Digital or numerical systems : Multifunction manipulator (i.e., Robot))

Patent 5552689: Servo motor
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : Pulse-width modulated power input to motor (e.g., "duty cycle" systems) : Slewing systems)

Patent 5552690: Control unit capable of improving a response characteristic and a tracking property by selecting an optimum gain in accordance with an
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : With compensating features : Secto-scanning systems)

Patent 5552691: Microprocessor motor control
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : With particular "error-detecting" means : With particular position measuring instruments : Stable platforms)

Patent 5552692: Charging rechargeable batteries of a mobile communication device using a charge pump with a low noise oscillator to reduce interference
(ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING : CAPACITOR CHARGING OR DISCHARGING : With current sensing to detect proper battery connection (e.g., polarity, ripple, reverse current, etc.))

Patent 5552693: Charging method and appratus for carrying out the same
(ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING : BATTERY OR CELL CHARGING : With peak detection of current or voltage (e.g., delta-V or delta-I utilized, etc.) : Hysteresis type (e.g., antichattering, etc.))

Patent 5552694: Power supply with improved efficiency, transmitter comprising such a power supply
(ELECTRICITY: POWER SUPPLY OR REGULATION SYSTEMS : IN SHUNT WITH SOURCE OR LOAD : Using choke and switch across source : In bridge)

Patent 5552695: Synchronously rectified buck-flyback DC to DC power converter
(ELECTRICITY: POWER SUPPLY OR REGULATION SYSTEMS : OUTPUT LEVEL RESPONSIVE : Using a three or more terminal semiconductive device as the final control device : Including plural final control devices : Switched (e.g., on-off control) : Including an electronic tube or a three or more terminal semiconductive device in control circuit)

Patent 5552696: Multiple setpoint configuration in a voltage regulator controller
(ELECTRICITY: POWER SUPPLY OR REGULATION SYSTEMS : OUTPUT LEVEL RESPONSIVE : Using a three or more terminal semiconductive device as the final control device : Linearly acting : With plural condition sensing : Parallel connected)

Patent 5552697: Low voltage dropout circuit with compensating capacitance circuitry
(ELECTRICITY: POWER SUPPLY OR REGULATION SYSTEMS : OUTPUT LEVEL RESPONSIVE : Using a three or more terminal semiconductive device as the final control device : Switched (e.g., switching regulators) : With reference voltage circuitry)

Patent 5552698: Voltage supply system for IC chips
(ELECTRICITY: POWER SUPPLY OR REGULATION SYSTEMS : SELF-REGULATING (E.G., NONRETROACTIVE) : Using a three or more terminal semiconductive device as the final control device : For current stabilization : To derive a voltage reference (e.g., band gap regulator) : Including a ferrocapacitor across a tertiary winding)

Patent 5552699: Method and apparatus for testing wires extending between a switch cabinet and remotely positioned field units
(ELECTRICITY: MEASURING AND TESTING : CONDUCTOR IDENTIFICATION OR LOCATION (E.G., PHASE IDENTIFICATION) : Piezoelectric crystal testing (e.g., frequency, resistance))

Patent 5552700: Current detecting device with a core having an integrally fixed engaging member
(ELECTRICITY: MEASURING AND TESTING : MEASURING, TESTING, OR SENSING ELECTRICITY, PER SE : Magnetic saturation (e.g., in field or in amplifier) : Hall effect : Digital voltmeters)

Patent 5552701: Docking system for an electronic circuit tester
(ELECTRICITY: MEASURING AND TESTING : MISCELLANEOUS : Combined)

Patent 5552702: Method and apparatus for detecting digital carrier signals on telephone cables
(ELECTRICITY: MEASURING AND TESTING : MEASURING, TESTING, OR SENSING ELECTRICITY, PER SE : With coupling means (e.g., attenuator, shunt) : Transformer (e.g., split core admits conductor carrying unknown current) : Digital voltmeters)

Patent 5552703: Inclination sensor using sensing coils wound on linear vessel partially filled with fluid
(ELECTRICITY: MEASURING AND TESTING : MAGNETIC : Displacement : Having particular sensed object : Magnetoresistive)

Patent 5552704: Eddy current test method and apparatus for measuring conductance by determining intersection of lift-off and selected curves
(ELECTRICITY: MEASURING AND TESTING : MAGNETIC : With means to create magnetic field to test material : With phase sensitive element : With backing member)

Patent 5552705: Non-obtrusive weapon detection system and method for discriminating between a concealed weapon and other metal objects
(ELECTRICITY: MEASURING AND TESTING : MAGNETIC : With means to create magnetic field to test material : Induced voltage-type sensor : Material flaw testing)

Patent 5552706: Magnetoresistive magnetic field sensor divided into a plurality of subelements which are arrayed spatially in series but are connected
(ELECTRICITY: MEASURING AND TESTING : MAGNETIC : Magnetometers : Semiconductor type solid-state or magnetoresistive magnetometers : Plural sensors)

Patent 5552707: RF probe which can vary distance between receiving coils which face each other
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Spectrometer components : Including a test sample and control sample)

Patent 5552708: Magnetic resonance imaging apparatus comprising a communication system
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Spectrometer components : Including a test sample and control sample)

Patent 5552709: NMR sample cell
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Spectrometer components : Sample holder structure : With homogeneity control)

Patent 5552710: Method and automatic auxiliary device for tuning of an NMR receiving coil
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Spectrometer components : Electronic circuit elements : With homogeneity control)

Patent 5552711: Turbine engine imminent failure monitor
(ELECTRICITY: MEASURING AND TESTING : USING IONIZATION EFFECTS : For analysis of gas, vapor, or particles of matter : Using a magnetic field)

Patent 5552712: Method for in-place circuit integrity testing
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : Of individual circuit component or element : By spark or arc discharge)

Patent 5552713: Method and device for testing electrophysiology catheter
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : Instruments and devices for fault testing : Insulation)

Patent 5552714: Electronic calibration method and apparatus
(ELECTRICITY: MEASURING AND TESTING : IMPEDANCE, ADMITTANCE OR OTHER QUANTITIES REPRESENTATIVE OF ELECTRICAL STIMULUS/RESPONSE RELATIONSHIPS : Calibration : Having a lamp or light indicator)

Patent 5552715: Apparatus for low cost electromagnetic field susceptibility testing
(ELECTRICITY: MEASURING AND TESTING : IMPEDANCE, ADMITTANCE OR OTHER QUANTITIES REPRESENTATIVE OF ELECTRICAL STIMULUS/RESPONSE RELATIONSHIPS : Parameter related to the reproduction or fidelity of a signal affected by a circuit under test : Shielding effectiveness (SE) : Nonlinearity)

Patent 5552716: Method of positioning an electrooptic probe of an apparatus for the measurement of voltage
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : Of individual circuit component or element : System sensing fields adjacent device under test (DUT) : Using electro-optic device : Of reflected test signal)

Patent 5552718: Electrical test structure and method for space and line measurement
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : Of individual circuit component or element : Test of semiconductor device : Cantilever)

Patent 5552719: Output buffer circuit having gate voltage control circuit of gate current controlling transistor connected to output transistor
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : SIGNAL SENSITIVITY OR TRANSMISSION INTEGRITY : Output switching noise reduction : With field effect-transistor : Depletion or enhancement)

Patent 5552720: Method for simultaneous programming of multiple antifuses
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : MULTIFUNCTIONAL OR PROGRAMMABLE (E.G., UNIVERSAL, ETC.) : Having details of setting or programming of interconnections or logic functions : With field effect-transistor)

Patent 5552721: Method and system for enhanced drive in programmmable gate arrays
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : MULTIFUNCTIONAL OR PROGRAMMABLE (E.G., UNIVERSAL, ETC.) : Array (e.g., PLA, PAL, PLD, etc.) : With field effect-transistor)

Patent 5552722: Mask registor for a configurable cellular array
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : MULTIFUNCTIONAL OR PROGRAMMABLE (E.G., UNIVERSAL, ETC.) : Array (e.g., PLA, PAL, PLD, etc.) : Significant integrated structure, layout, or layout interconnections : With clocking)

Patent 5552723: CMOS output circuit compensating for back-gate bias effects
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : INTERFACE (E.G., CURRENT DRIVE, LEVEL SHIFT, ETC.) : Current driving (e.g., fan in/out, off chip driving, etc.) : Field-effect transistor : Bus driving : Having plural output pull-up or pull-down transistors)

Patent 5552724: Power-down reference circuit for ECL gate circuitry
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : FUNCTION OF AND, OR, NAND, NOR, OR NOT : Bipolar transistor (e.g., RTL, DCTL, etc.) : Emitter-coupled or emitter-follower logic : CMOS)

Patent 5552725: Low power, slew rate insensitive power-on reset circuit
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Synchronizing : Reset (e.g., initializing, starting, stopping, etc.) : Responsive to power supply : Selective)

Patent 5552726: High resolution digital phase locked loop with automatic recovery logic
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Synchronizing : Using multiple clocks : With feedback : Phase lock loop : With variable delay means :)

Patent 5552727: Digital phase locked loop circuit
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Synchronizing : With feedback : Phase lock loop : With digital element : With digital element)

Patent 5552728: Latch-type current sense amplifier with self-regulating inputs
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC SIGNAL DISCRIMINATING (E.G., COMPARING, SELECTING, ETC.) WITHOUT SUBSEQUENT CONTROL : By amplitude : With sensing amplifier : With latching type element (e.g., flip-flop, etc.) : With reference signal)

Patent 5552729: MOS differential voltage-to-current converter circuit with improved linearity
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Converting input voltage to output current or vice versa : With logic or bistable circuit)

Patent 5552730: Mos differential voltage-to-current converter circuit with improved linearity
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Converting input voltage to output current or vice versa : With logic or bistable circuit)

Patent 5552731: Integrated control circuit with a level shifter for switching an electronic switch
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Current driver : Having semiconductive load : Sample and hold)

Patent 5552732: High speed divide by 1.5 clock generator
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Frequency or repetition rate conversion or control : Of output rectangular waveform : Frequency multiplication : With differential amplifier)

Patent 5552733: Precise and agile timing signal generator based on a retriggered oscillator
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Clock or pulse waveform generating : Plural outputs : With common output)

Patent 5552734: Local oscillator frequency multiplier and mixing circuit comprising a squaring circuit
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC INPUT TO OUTPUT FUNCTION : Combining of plural signals : Product : RMS)

Patent 5552735: Multi-gigahertz single flux quantum switch
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : GATING (I.E., SWITCHING INPUT TO OUTPUT) : Superconductive (e.g., cryogenic, etc.) device : Josephson junction : Differential amplifier)

Patent 5552736: Power supply detect circuit operable shortly after an on/off cycle of the power supply
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Particular stable state circuit (e.g., tristable, etc.) : Initializing, resetting, or protecting a steady state condition : Four or more layer device, (e.g., trigistor, etc.))

Patent 5552737: Scannable master slave latch actuated by single phase clock
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Particular stable state circuit (e.g., tristable, etc.) : Circuit having only two stable states (i.e., bistable) : Master-slave bistable latch : Complementary clock inputs)

Patent 5552738: High performance energy efficient push pull D flip flop circuits
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Particular stable state circuit (e.g., tristable, etc.) : Circuit having only two stable states (i.e., bistable) : Master-slave bistable latch : Including field-effect transistor : With digital element)

Patent 5552739: Integrated circuit power supply having piecewise linearity
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC IDENTIFIABLE DEVICE, CIRCUIT, OR SYSTEM : With specific source of supply or bias voltage : Stabilized (e.g., compensated, regulated, maintained, etc.) : Having stabilized bias or power supply level)

Patent 5552740: N-channel voltage regulator
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC IDENTIFIABLE DEVICE, CIRCUIT, OR SYSTEM : With specific source of supply or bias voltage : Stabilized (e.g., compensated, regulated, maintained, etc.) : With voltage source regulating : With field-effect transistor : With emitter follower)

Patent 5552741: High impedance common-emitter amplifier stage
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC IDENTIFIABLE DEVICE, CIRCUIT, OR SYSTEM : Nonlinear amplifying circuit : Active filter)

Patent 5552742: Circuit for controlling current flow between two nodes
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC IDENTIFIABLE DEVICE, CIRCUIT, OR SYSTEM : Nonlinear amplifying circuit : With differential amplifier : With field-effect transistor)

Patent 5552743: Thin film transistor redundancy structure
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC IDENTIFIABLE DEVICE, CIRCUIT, OR SYSTEM : Thin film : With specific layout or layout interconnections)

Patent 5552744: High speed I.sub.DDQ monitor circuit
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : GATING (I.E., SWITCHING INPUT TO OUTPUT) : Delay controlled switch (e.g., fixed, single time of delay control, etc.) : With plural switching elements (e.g., sequential, etc.) : Including negative resistance device in delay circuit (e.g., unijunction transistor, etc.))

Patent 5552745: Self-resetting CMOS multiplexer with static output driver
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : GATING (I.E., SWITCHING INPUT TO OUTPUT) : Converging with plural inputs and single output : Electron tube)

Patent 5552746: Gate drive circuit
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : GATING (I.E., SWITCHING INPUT TO OUTPUT) : Utilizing three or more electrode solid-state device : Field-effect transistor : Plural)

Patent 5552747: Driver circuit compatible with low supply voltages
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC IDENTIFIABLE DEVICE, CIRCUIT, OR SYSTEM : With specific source of supply or bias voltage : Having particular substrate biasing : Having stabilized bias or power supply level : Charge pump details : With emitter follower)

Patent 5552748: Digitally-tuned oscillator including a self-calibrating RC oscillator circuit
(OSCILLATORS : AUTOMATIC FREQUENCY STABILIZATION USING A PHASE OR FREQUENCY SENSING MEANS : AFC with logic elements : Reactance device (e.g., variable capacitors, saturable inductors, reactance tubes, etc.))

Patent 5552749: Method for automatically compensating for accuracy degradation of a reference oscillator
(OSCILLATORS : AUTOMATIC FREQUENCY STABILIZATION USING A PHASE OR FREQUENCY SENSING MEANS : With intermittent comparison controls : Motor control of oscillator)

Patent 5552750: Method and apparatus for determining an instantaneous phase difference between two signals
(OSCILLATORS : AUTOMATIC FREQUENCY STABILIZATION USING A PHASE OR FREQUENCY SENSING MEANS : With reference oscillator or source : Signal or phase comparator : With motor comparator)

Patent 5552751: Low voltage, low power oscillator having voltage level shifting circuit
(OSCILLATORS : SOLID STATE ACTIVE ELEMENT OSCILLATOR : Transistors : Electromechanical resonator controlled : Field-effect transistor active element : Converter using silicon control rectifiers)

Patent 5552752: Microwave vertical interconnect through circuit with compressible conductor
(WAVE TRANSMISSION LINES AND NETWORKS : LONG LINES : Shielded type : Circular or helical structure)

Patent 5552753: Coax-to-microstrip transition
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : With impedance matching : Having long line elements : Having plural concentric helices)

Patent 5552754: Catch for electrical contact utilizing electromagnetic forces
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : ELECTROMAGNETICALLY ACTUATED SWITCHES : Automatic circuit-interrupting devices (e.g., circuit-protective devices) : With contact biasing, holding or pressure control means : Magnetic or electrodynamic (e.g., blowon or blowoff) :)

Patent 5552755: Circuit breaker with auxiliary switch actuated by cascaded actuating members
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : ELECTROMAGNETICALLY ACTUATED SWITCHES : Automatic circuit-interrupting devices (e.g., circuit-protective devices) : Responsive to predetermined or abnormal current condition (e.g., direction, phase angle or amplitude) : Magnetic or electrodynamic (e.g., blowon or blowoff))

Patent 5552756: Chip-type common mode choke coil
(INDUCTOR DEVICES : COIL OR COIL TURN SUPPORTS OR SPACERS : Printed circuit-type coil : Coils of different windings interposed)

Patent 5552757: Surface-mounted fuse device
(ELECTRICITY: ELECTROTHERMALLY OR THERMALLY ACTUATED SWITCHES : ELECTROTHERMALLY ACTUATED SWITCHES : Fusible element actuated : Fusible link or element structure or material : With nonconductive core (e.g., printed circuit) : Rotary selector means)

Patent 5552758: Darts scoreboard
(COMMUNICATIONS: ELECTRICAL : SYSTEMS : Game reporting : Automatic rebalancing)

Patent 5552759: Electronic system for detecting vehicle wheel theft
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : Of burglary or unauthorized use : Including specified sensor : Wheel/tire : Off course, route re-search)

Patent 5552760: Method of detecting a deflated tire on a vehicle
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : Internal alarm or indicator responsive to a condition of the vehicle : Tire deflation or inflation : By indirect detection means (e.g., height measurement) : Relative wheel speed : Specifying particular start/destination)

Patent 5552761: Gear selection indicator for manual transmissions
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : Internal alarm or indicator responsive to a condition of the vehicle : Gear position : Wear)

Patent 5552762: Warning device for logically controlling headlights of a motor vehicle
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : External signal light system : Acceleration or deceleration)

Patent 5552763: Fire alarm system with sensitivity adjustment
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : With particular system function (e.g., temperature compensation, calibration) : Alarm system supervision : With ringback)

Patent 5552764: Alarm detecting system for redundancy configuration circuit
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : With particular system function (e.g., temperature compensation, calibration) : Alarm system supervision : Redundant (e.g., added circuit or loop) : Vertical axis)

Patent 5552765: Smoke detector with individually stored range of acceptable sensitivity
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : With particular system function (e.g., temperature compensation, calibration) : Testing : Simulation of condition : Vertical axis)

Patent 5552766: Anti-crime security system
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Intrusion detection : Including location of misplaced item)

Patent 5552767: Assembly for, and method of, detecting and signalling when an object enters a work zone
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Radio)

Patent 5552768: Portable window wedge with alarm
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Intrusion detection : Door or window movement : Portable : Programmable)

Patent 5552769: Combined alarm system and window covering assembly
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Intrusion detection : Partition penetration : Plural doors or windows)

Patent 5552770: Glass break detection using multiple frequency ranges
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Intrusion detection : Partition penetration : Plural doors or windows)

Patent 5552771: Retractable sensor for an alarm system
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Article placement or removal (e.g., anti-theft) : Signal-carrying conduit between sensor and article (e.g., cable, power cord, or data link) : Electromagnetic energy)

Patent 5552772: Location of emergency service workers
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Human or animal : House arrest system, wandering, or wrong place : Specified device housing or attachment means)

Patent 5552773: Method and apparatus for the protection of people or objects
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Human or animal : Detectable device on protected article (e.g., "tag"))

Patent 5552774: Magnetically activated float switch
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Fluent material : Material level : Liquid : Float sensor : Laser)

Patent 5552775: Gaseous fluid handling apparatus
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Fluent material : Particle suspension in fluid : Smoke : Float sensor)

Patent 5552776: Enhanced security system for computing devices
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Intelligence comparison for controlling : Authorization control (e.g., entry into an area) : Access to electrical information : Lockbox)

Patent 5552777: Mechanical/electronic lock and key
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Intelligence comparison for controlling : Authorization control (e.g., entry into an area) : Manual code input : Password : Image (e.g., fingerprint, face))

Patent 5552778: Multibit bimorph magnetic tags using acoustic or magnetic interrogation for identification of an object coupled thereto
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Interrogation response : Response signal detail : Power up)

Patent 5552779: Watch pager with icons
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Having indication or alarm (e.g., location indication) : Code responsive (i.e., paging) : Message presentation : Display : Including graphics : Using additional record or carrier code)

Patent 5552780: Method and apparatus for transmitting coded light through low transmissible materials
(COMMUNICATIONS: ELECTRICAL : VEHICLE POSITION INDICATION : At remote location : Position indication transmitted by vehicle after receipt of information from local station : Glide slope or path)

Patent 5552781: Fault tolerant method of decoding an electronic key system
(CODED DATA GENERATION OR CONVERSION : BODILY ACTUATED CODE GENERATOR : Including keyboard or keypad : Having optical waveguide)

Patent 5552782: Single-hand mounted and operated keyboard
(CODED DATA GENERATION OR CONVERSION : BODILY ACTUATED CODE GENERATOR : Including keyboard or keypad : Having optical waveguide)

Patent 5552783: Constant current voltage restoration
(CODED DATA GENERATION OR CONVERSION : CONVERTER COMPENSATION : Synchro or resolver signal)

Patent 5552784: Distortion reduction circuit for analog to digital converter system
(CODED DATA GENERATION OR CONVERSION : SAMPLE AND HOLD : Trimming control circuits)

Patent 5552785: Digital phase-locked loop utilizing a high order sigma-delta modulator
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Differential encoder and/or decoder (e.g., delta modulation, differential pulse code modulation) : Linearization (e.g., nonlinear transfer characteristic compensates for nonlinear transducer))

Patent 5552786: Method and apparatus for logging underground formations using radar
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : TRANSMISSION THROUGH MEDIA OTHER THAN AIR OR FREE SPACE : Detection of surveilance)

Patent 5552787: Measurement of topography using polarimetric synthetic aperture radar (SAR)
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : SYNTHETIC APERTURE RADAR : Mapping or imaging using synthetic aperture radar (EPO) : Radar reacts to jamming)

Patent 5552788: Antenna arrangement and aircraft collision avoidance system
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : AIRCRAFT COLLISION AVOIDANCE SYSTEM (CAS) : With transponder : Particular SAR processing techniques (e.g., squint mode, doppler beam-sharpening mode, spotlight mode, bistatic SAR, inverse SAR) (EPO))

Patent 5552789: Integrated vehicle communications system
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Intelligence comparison for controlling : Authorization control (e.g., entry into an area) : Varying authorization : Automatic)

Patent 5552790: Device for wireless transfer of information
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : RADAR TRANSPONDER SYSTEM : Radar transponder only : Distance measuring equipment (DME))

Patent 5552791: Fiber optic telemetry array calibration system
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : TESTING OR CALIBRATING OF RADAR SYSTEM : By monitoring : Calibrating : With CRT display)

Patent 5552792: Non-coherent radar system having improved resolution capabilities
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : WITH PARTICULAR CIRCUIT : Digital processing : Harmonic)

Patent 5552793: Self calibrated act pulse compression system
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : WITH PARTICULAR CIRCUIT : For pulse modulation : With pulse shaping : Cursor)

Patent 5552794: Position estimation using satellite range rate measurements
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Including a satellite : With position indicating : Using Doppler frequency shift : With ambiguity resolving)

Patent 5552795: Location determination method and system using multi-beam satellites
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Including a satellite : With position indicating : Using low Earth orbit (telecommunication) satellites : Satellite selection (i.e., tracking or acquisition))

Patent 5552796: VHF, UHF antenna
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : High frequency type loops : Plural : With feedback)

Patent 5552797: Die-castable corrugated horns providing elliptical beams
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Wave guide type (e.g., horn) : With horn : With main and subreflector (Casse-grain type))

Patent 5552798: Antenna for multipath satellite communication links
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Plural antennas : Antenna on bracket)

Patent 5552799: Display information conversion apparatus
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : PLURAL DISPLAY SYSTEMS : Diverse systems (e.g., CRT or LCD interface) : Frame, field or scan rate conversion : Changing of subpixel location over time)

Patent 5552800: Color display control apparatus for controlling display gray scale of each scanning frame or each plurality of dots
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : PLURAL PHYSICAL DISPLAY ELEMENT CONTROL SYSTEM (E.G., NON-CRT) : Display elements arranged in matrix (e.g., rows and columns) : Light-controlling display elements : Liquid crystal display elements (LCD) : Gray scale capability (e.g., halftone) : Including transformer)

Patent 5552801: Liquid crystal display device
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : PLURAL PHYSICAL DISPLAY ELEMENT CONTROL SYSTEM (E.G., NON-CRT) : Display elements arranged in matrix (e.g., rows and columns) : Light-controlling display elements : Liquid crystal display elements (LCD) : Specific display element control means (e.g., latches, memories, logic) : Particular row or column control (e.g., shift register) : Smooth or continuous)

Patent 5552802: Display control device
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : PLURAL PHYSICAL DISPLAY ELEMENT CONTROL SYSTEM (E.G., NON-CRT) : Display elements arranged in matrix (e.g., rows and columns) : Light-controlling display elements : Liquid crystal display elements (LCD) : Specific display element control means (e.g., latches, memories, logic) : Particular row or column control (e.g., shift register) : Smooth or continuous)

Patent 5552803: Method and apparatus for displaying an image using system profiling
(DATA PROCESSING: PRESENTATION PROCESSING OF DOCUMENT, OPERATOR INTERFACE PROCESSING, AND SCREEN SAVER DISPLAY PROCESSING : OPERATOR INTERFACE (E.G., GRAPHICAL USER INTERFACE) : On-screen workspace or object : Window or viewpoint : Virtual input device (e.g., virtual keyboard))

Patent 5552804: Sprite coincidence detector indicating sprite group
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS PROCESSING : Graphic manipulation (object processing or display attributes) : Translation : Image based (addressing) : Sprite : Weights vary across image (e.g., transition from foreground to background))

Patent 5552805: Method and system for displaying blended colors
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS PROCESSING : Attributes (surface detail or characteristic, display attributes) : Color or intensity : Dither or halftone : Color :)

Patent 5552806: Method and apparatus for positioning selectable function icons on a display
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY PERIPHERAL INTERFACE INPUT DEVICE : Animation)

Patent 5552807: Foot pedal assembly for use with personal computer
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY PERIPHERAL INTERFACE INPUT DEVICE : Animation)

Patent 5552808: Point-and-draw device coordinatively driven by two gear systems
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY PERIPHERAL INTERFACE INPUT DEVICE : Cursor mark position control device : Temporal interpolation or processing)

Patent 5552809: Method for driving ink jet recording head and apparatus therefor
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Controller : Of ejector : Drive waveform :)

Patent 5552810: Recording apparatus having head-shading function and head-shading method
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Controller : Measuring and testing (e.g., diagnostics) : With particular cooling means)

Patent 5552811: Liquid discharging apparatus and printing method using such an apparatus
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : With cleaning or protector : Solvent : Full-line array)

Patent 5552812: Recording apparatus having an ink mist evacuation system
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : With cleaning or protector : Mist or dust removal : Movement)

Patent 5552813: Ink jet head with nozzle arrangement to reduce viscous drag
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : Array of ejectors : With oscillatory motion)

Patent 5552814: Image recording apparatus wherein toner carrier member and particle-flow modulating electrode member are held in contact with each other
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : Drop-on-demand : With electric field ejection (applied to fluid) : Movement)

Patent 5552815: Ink jet apparatus including means for regulating an amount of ink and an amount of air in an ink tank relative to each other
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Fluid or fluid source handling means : Fluid supply system : With aerosol formation)

Patent 5552816: Ink tank, ink-jet cartridge and ink-jet recording apparatus
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Fluid or fluid source handling means : Fluid supply system : Cartridge : Drop correction)

Patent 5552817: Electrothermal printing ink with monodispersed synthetic pigment particles and method and apparatus for electronic printing therewith
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : ELECTRIC MARKING APPARATUS OR PROCESSES : Electrostatic : Multicolor : Physical characteristics)

Patent 5552818: Method and apparatus for controlling the moisture content of a thermosensitive recording medium in a thermal recording apparatus
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : ELECTRIC MARKING APPARATUS OR PROCESSES : Electrostatic : Photo scanning : Beam generator driving means : Having feedback or environmental control : Modified or specific fluid (e.g., heated, dehumidified, specified gas))

Patent 5552819: Systems and method for printing by applying an image-enhancing precoat
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : THERMAL MARKING APPARATUS OR PROCESSES : Pre or post image recording treatment : Specific conductor means (e.g., electrode, conducting pattern, etc.))

Patent 5552820: Fly's eye optics for a raster output scanner in an electrophotographic printer
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : LIGHT OR BEAM MARKING APPARATUS OR PROCESSES : Scan of light : Plural beam scan : Specific optical structure : Including switching means)

Patent 5552821: Method of and system for stereoscopic television
(TELEVISION : STEREOSCOPIC : Picture signal generator : Multiple cameras :)

Patent 5552822: Apparatus and method for setting depth of cut of micrometer surgical knife
(TELEVISION : SPECIAL APPLICATIONS : Microscope : Eye)

Patent 5552823: Picture processing apparatus with object tracking
(TELEVISION : SPECIAL APPLICATIONS : Observation of or from a specific location (e.g., surveillance) : Intrusion detection : Motion detection : Motion detection)

Patent 5552824: Line object scene generation apparatus
(TELEVISION : SPECIAL APPLICATIONS : Observation of or from a specific location (e.g., surveillance) : Sporting event : Motion detection)

Patent 5552825: Color resolution enhancement by using color camera and methods
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Combined image signal generator and general image signal processing : Exposure control)

Patent 5552826: Digital video camera with external chrominance signal digitized at subcarrier frequency multiple
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Combined image signal generator and general image signal processing : Exposure control)

Patent 5552827: Color video camera with a solid state image sensing device
(TELEVISION : CAMERA, SYSTEM AND DETAIL : With single image scanning device supplying plural color signals : Each supplying only one color signal)

Patent 5552828: Geometries for photosites in a photosensitive silicon chip
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Solid-state image sensor : Charge-coupled architecture : With staggered or irregular photosites or specified channel configuration : With diode in series with photocell)

Patent 5552829: Image signal coding system
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Variable length coding : Discrete cosine)

Patent 5552831: Digital video signal decoding apparatus and presumed motion vector calculating method
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Predictive : Motion vector : Subband coding)

Patent 5552832: Run-length encoding sequence for video signals
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Block coding : Discrete cosine)

Patent 5552833: Transmission system and receiver using teletext information for programming video recorder
(TELEVISION : DIVERSE DEVICE CONTROLLED BY INFORMATION EMBEDDED IN VIDEO SIGNAL : Changing number of fields for standard conversion)

Patent 5552834: Apparatus for displaying an image in a reduced scale by sampling out an interlace video signal uniformly in a vertical direction without
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Special effects : Geometric transformation : Size change : Compression)

Patent 5552836: Image signal processing apparatus in which the ADC and/or the 1DHL have low power consumption during vertical blanking
(TELEVISION : RECEIVER CIRCUITRY : Power supply : Color television)

Patent 5552837: Remote controller for scanning data and controlling a video system
(INTERACTIVE VIDEO DISTRIBUTION SYSTEMS : ACCESS CONTROL OR BLOCKING : By passively monitoring receiver operation)

Patent 5552838: Apparatus for tuning offset signals by controlling a tuner based on a difference in frequency of signals tuned by that tuner
(TELEVISION : RECEIVER CIRCUITRY : Automatic frequency control : Tuning voltage)

Patent 5552839: Projection system for entertainment and game apparatus
(TELEVISION : VIDEO DISPLAY : Projection device : With moving color filters)

Patent 5552840: Three dimensional projection display reflecting divided polarized light on to reflective liquid crystal display elements
(TELEVISION : VIDEO DISPLAY : Projection device : Plural parallel light modulators : Liquid crystal : Keyed)

Patent 5552841: Liquid crystal eyeglasses
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : SPECTACLES AND EYEGLASSES : With antiglare or shading : Polarizing : Spring biased)

Patent 5552842: Process and apparatus for generating comparison image representative of actual subject view
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : EYE EXAMINING OR TESTING INSTRUMENT : Objective type : Of abnormal muscular functioning)

Patent 5552843: Camera capable of reading film information
(PHOTOGRAPHY : EXPOSURE DATA FROM FILM CONTAINER : With power supply detail)

Patent 5552844: Camera equipped with data imprinting device
(PHOTOGRAPHY : WITH DATA RECORDING : Optical : Having transfer strip)

Patent 5552845: Camera
(PHOTOGRAPHY : WITH VIEWFINDER : Selective or adjustable viewfinder field : Variable size of mask opening : Base guide)

Patent 5552846: Camera
(PHOTOGRAPHY : WITH FILM DRIVE : Mechanical detail : Including electric motor : Having film transport mechanism locked by perforation sensing pawl)

Patent 5552847: Lens barrel
(PHOTOGRAPHY : WITH EXPOSURE OBJECTIVE FOCUSING MEANS, FOCUSING AID, OR RANGEFINDING MEANS : Lens characteristic compensating : Having position sensor)

Patent 5552848: Film transport mechanism for camera
(PHOTOGRAPHY : WITH FILM DRIVE : Mechanical detail : Rewind : Having film transport mechanism locked by perforation sensing pawl)

Patent 5552849: Visual exposure indicating system
(PHOTOGRAPHY : CAMERA DETAIL : Detachable or removable film holder unit : Film cassette or cartridge : Including film use indicator : Opposite movement)

Patent 5552850: Handle grip to be detachably fixed to a disposable camera equipped with a spool of film
(PHOTOGRAPHY : CAMERA ATTACHMENT : With mechanical switch detail)

Patent 5552851: Automatic processing machine for silver halide photographic light-sensitive materials
(PHOTOGRAPHY : FLUID-TREATING APPARATUS : Photographic medium or cartridge sensing : Photographic medium length, width, area, or amount sensing : Rotary)

Patent 5552852: Device of dissolving and replenishing solid processing agents for a silver halide photographic light-sensitive material and automatic
(PHOTOGRAPHY : FLUID-TREATING APPARATUS : Having fluid-circulating means : Plural stations)

Patent 5552853: Auto focusing apparatus in a camera
(PHOTOGRAPHY : WITH EXPOSURE OBJECTIVE FOCUSING MEANS, FOCUSING AID, OR RANGEFINDING MEANS : Plural focusing or rangefinding areas : With Position Sensitive Device (PSD))

Patent 5552854: Visual line detection device and camera equipped therewith
(PHOTOGRAPHY : EYE TRACKING : Including film processing tank)

Patent 5552855: Detecting apparatus for finding a reference exposure made on a leading and/or trailing portion of a filmstrip
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Identifying, composing, or selecting : Including photocell : Including)

Patent 5552856: Projection exposure apparatus
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Step and repeat : Reflector between original and photo-sensitive paper)

Patent 5552857: Multicolor image forming apparatus
(ELECTROPHOTOGRAPHY : HAVING PARTICULAR STRUCTURE : Modular or displaceable : Process cartridge unit : Having subunit separation : Toner cartridge)

Patent 5552858: Image forming apparatus having a detachable external memory unit
(ELECTROPHOTOGRAPHY : MACHINE OPERATION : Accounting : User access : Warmup or standby mode)

Patent 5552859: Sheet supplying apparatus with means for rocking sheet stacking plate
(ELECTROPHOTOGRAPHY : DIAGNOSTICS : Document handling : Copy medium supply : Misstrip of copy)

Patent 5552860: Monitoring system in auto-restoring image reproducing system
(ELECTROPHOTOGRAPHY : DIAGNOSTICS : Document handling : Malfunction detection responsive : Job recovery : On or adjacent to platen)

Patent 5552861: Image forming apparatus having controller adjusting current to main charger and transfer charger
(ELECTROPHOTOGRAPHY : CONTROL OF ELECTROPHOTOGRAPHY PROCESS : Control of charging : Having detection of toner (e.g., patch))

Patent 5552862: Serial-type electrophotographic device and a method for adjusting printing based upon a detected humidity used therein
(ELECTROPHOTOGRAPHY : CONTROL OF ELECTROPHOTOGRAPHY PROCESS : Having temperature or humidity detection : Single detector for plural toners)

Patent 5552863: Xerographic printer wherein exposure and development are performed on opposite sides of the photoreceptor
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Simultaneous exposure and development : Development and cleaning)

Patent 5552864: Magnetic seal with tapered shunts
(ELECTROPHOTOGRAPHY : INTERNAL MACHINE ENVIRONMENT : Particle or contaminant control : Seal : Developer seal : Magnetic : Optical detector)

Patent 5552865: Charging device and method for charging a charge-receiving member by a charging member by discharge therebetween based on difference in
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Charging : Drive apparatus)

Patent 5552866: Copying apparatus for the photographic reproduction of a multi-dimensional object
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Exposure : Slit exposure : Variable scanning (e.g., length) : Mirror or scanning carriage positioning)

Patent 5552867: Toner regulating blade having a bevelled edge
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Development : Dry development : Application member : Roller : Regulating (e.g., doctor) : By magnetic brush)

Patent 5552868: Electrophotographic device
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Development : Dry development : Application member : Roller : Details : By magnetic brush)

Patent 5552869: Drying method and apparatus for electrophotography using liquid toners
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Development : Liquid development : Drying (e.g., warming, heating) : Fountain)

Patent 5552870: Developing device for an image forming apparatus
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Development : Dry development : Application member : Roller : Loading : Web or belt)

Patent 5552871: Image transferring device for image forming apparatus
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Transfer : Electrostatic : Roller or belt : Having belt transporting copy)

Patent 5552872: Separation charger control for electro-photographic apparatus
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Transfer : By intermediate transfer member : Copy medium carrier (e.g., drum or belt))

Patent 5552873: Electrophotographic image forming apparatus having a pre-transfer pressing roller
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Transfer : Electrostatic : Having discharger (e.g., separation) : Having belt transporting copy)

Patent 5552874: Image fixing apparatus
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Fixing (e.g., fusing) : By heat : Heated roller)

Patent 5552875: Method and apparatus for forming duplex images on a substrate
(ELECTROPHOTOGRAPHY : DOCUMENT HANDLING : Original and copy : Duplex : Lamination)

Patent 5552876: Apparatus and method for forming superimposed images and copying machine equipped with apparatus
(ELECTROPHOTOGRAPHY : CONTROL OF ELECTROPHOTOGRAPHY PROCESS : Color balance : Of overlapped toner images : By concentration detector)

Patent 5552877: Image forming apparatus with controlled drive for accurately positioning developing sections of a rotary developing device
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Development : Plural diverse (e.g., color) : Plural applicators single position : Rotary type : Optical detector)

Patent 5552878: Electronic vernier for laser range finder
(OPTICS: MEASURING AND TESTING : RANGE OR REMOTE DISTANCE FINDING : With photodetection : Of pulse transit time : Having pulse transmission trigger significance : Including optical pick-off of transmission start : With specific counter type timing of returns :)

Patent 5552879: Doppler velocimeter
(OPTICS: MEASURING AND TESTING : VELOCITY OR VELOCITY/HEIGHT MEASURING : With light detector (e.g., photocell) : Of light interference (e.g., interferometer) : With displaced images)

Patent 5552880: Optical radiation probe
(OPTICS: MEASURING AND TESTING : WITH PLURAL DIVERSE TEST OR ART : Lamp attachments)

Patent 5552881: Method and apparatus for scanning a fiber optic network
(OPTICS: MEASURING AND TESTING : FOR OPTICAL FIBER OR WAVEGUIDE INSPECTION : Lamp attachments)

Patent 5552882: Methods of and apparatus for calibrating precisely spaced multiple transverse holographic gratings in optical fibers
(OPTICS: MEASURING AND TESTING : FOR OPTICAL FIBER OR WAVEGUIDE INSPECTION : Lamp attachments)

Patent 5552883: Noncontact position measurement system using optical sensors
(OPTICS: MEASURING AND TESTING : ANGLE MEASURING OR ANGULAR AXIAL ALIGNMENT : Relative attitude indication along 3 axes with photodetection : With reticle or slot)

Patent 5552884: Calibration standard for flying height tester having a head mounted on a multilevel surface transparent disc
(OPTICS: MEASURING AND TESTING : STANDARD : Flying height testers : On patterned or topographical surface (e.g., wafer, mask, circuit board))

Patent 5552885: Measuring chamber for flow cytometer
(OPTICS: MEASURING AND TESTING : SAMPLE, SPECIMEN, OR STANDARD HOLDER OR SUPPORT (E.G., PLATES OR SLIDES) : Fluid containers (e.g., cells or cuvettes) : Light intensity)

Patent 5552886: Laser beam transmitting apparatus
(OPTICS: MEASURING AND TESTING : FIDUCIAL INSTRUMENTS : Artificial reference : Pendular suspension of optical element or reticle : On patterned or topographical surface (e.g., wafer, mask, circuit board))

Patent 5552887: Fiber optic rotation sensor or gyroscope with improved sensing coil
(OPTICS: MEASURING AND TESTING : BY LIGHT INTERFERENCE (E.G., INTERFEROMETER) : Rotation rate (e.g., ring laser gyros) : By fiber or waveguide interferometer (e.g., Sagnac effect) : Fiber coil winding : Including an alternating reference path)

Patent 5552888: Apparatus for measuring position of an X-Y stage
(OPTICS: MEASURING AND TESTING : BY LIGHT INTERFERENCE (E.G., INTERFEROMETER) : For dimensional measurement : Displacement or distance : X-Y and/or Z table : Having wavefront division (e.g., by diffraction))

Patent 5552889: Method for the polarimetric evaluation of a polarization-modulated light signal
(OPTICS: MEASURING AND TESTING : BY POLARIZED LIGHT EXAMINATION : Having wavefront division (by diffraction))

Patent 5552890: Gloss measurement system
(OPTICS: MEASURING AND TESTING : BY POLARIZED LIGHT EXAMINATION : Of surface reflection : Including polarimeters)

Patent 5552891: Automated mask alignment for UV projection expose system
(OPTICS: MEASURING AND TESTING : BY ALIGNMENT IN LATERAL DIRECTION : With light detector (e.g., photocell) : For comparison with master or desired configuration)

Patent 5552892: Illumination optical system, alignment apparatus, and projection exposure apparatus using the same
(OPTICS: MEASURING AND TESTING : BY ALIGNMENT IN LATERAL DIRECTION : With registration indicia (e.g., scale) : For comparison with master or desired configuration)

Patent 5552893: Distance measuring apparatus
(OPTICS: MEASURING AND TESTING : RANGE OR REMOTE DISTANCE FINDING : With photodetection : Of pulse transit time : Having different frequency sources)

Patent 5552894: Image processing including identification of a specific image and conversion thereof in a predetermined manner
(IMAGE ANALYSIS : IMAGE TRANSFORMATION OR PREPROCESSING : Changing the image coordinates : To change the scale or size of an image : Raising or lowering the image resolution (e.g., subpixel accuracy) : Counting difference pixels)

Patent 5552895: Double-deck magnetic recording/reproducing apparatus
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF COLOR TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Frequency modulation for recording on the same track : Comb filtering)

Patent 5552896: Disk recording/reproducing apparatus and disks applied therein
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Having another signal : Audio signal : Digital audio signal : Disc :)

Patent 5552897: Secure communication apparatus and method
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Specific image-processing circuitry)

Patent 5552898: Lossy and lossless compression in raster image processor
(IMAGE ANALYSIS : IMAGE COMPRESSION OR CODING : Lossless compression : Checking spelling for recognition)

Patent 5552899: Facsimile transmission/reception method and apparatus using a common bus
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Facsimile system interface : Facsimile alarm)

Patent 5552900: Image forming apparatus having means to register marker pens used for image editing
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Specific signal processing circuitry : Image processing : Image editing : Variable threshold determined by image or other condition (e.g., adaptive thresholding))

Patent 5552901: Facsimile server system comprising a facsimile server and at least one remote facsimile
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Specific signal processing circuitry : Facsimile control unit : Picture signal thresholding)

Patent 5552902: Facsimile apparatus with internal mechanism for conveying originals and recording paper
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Picture signal generator : Scanning : Document feed : Scanning element moves relative to a flat stationary document)

Patent 5552903: Image processing apparatus and image processing method
(FACSIMILE AND STATIC PRESENTATION PROCESSING : NATURAL COLOR FACSIMILE : Detail of image placement or content)

Patent 5552904: Color correction method and apparatus using adaptive region separation
(FACSIMILE AND STATIC PRESENTATION PROCESSING : NATURAL COLOR FACSIMILE : Color correction : Color masking)

Patent 5552905: Image processing apparatus which selects a type of color processing for color image data based on a characteristic of the color image data
(FACSIMILE AND STATIC PRESENTATION PROCESSING : NATURAL COLOR FACSIMILE : Color correction : With memory for storage of conversion data : With plural sensors)

Patent 5552906: Optically addressed picture display apparatus
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : LIQUID CRYSTAL SYSTEM : Projector including liquid crystal cell (s) : Exposure device for lithography)

 

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